Oct 16, 2025 · Green tea contains considerably less caffeine than coffee. An 8-ounce cup of brewed coffee contains about 133 milligrams (mg) of caffeine, while an 8-ounce cup of green tea contains 29 …

4 days ago · The tea with the least amount of caffeine is rooibos, followed by decaf tea that has a small amount. Matcha green tea and black tea have the most.

Sep 27, 2017 · An 8-ounce (230-ml) cup of green tea contains between 30 and 50 milligrams of caffeine. Bagged teas tend to be more caffeinated than loose leaf teas. Green tea is a popular drink with many …

Jun 5, 2025 · Green tea contains caffeine, but generally less caffeine than black tea or coffee. However, the exact amount of caffeine in green tea can vary depending on several factors, such as: As shown …

Oct 24, 2024 · Now that it is confirmed that green tea does, in fact, contain caffeine, it's important to understand how much. Based on the Food and Drug Administration's estimate, an 8-ounce cup of …

Green tea caffeine amounts vary between 10-25 mg. Here are the precise amounts for a number of different brands of green tea.

5 days ago · Green tea is loved for its smooth flavor, gentle aroma, and steady energy — but many people still want to know exactly how much caffeine is in green tea and how it compares to coffee, …

Oct 27, 2025 · Learn exactly how much caffeine is in green tea, from Sencha to Matcha. See how brew time and water temperature affect caffeine levels, compare tea vs. coffee, and use our interactive …

Sep 27, 2025 · How much caffeine is in a cup of green tea? The average amount of caffeine in an 8-oz (230-ml) serving of green tea is around 35 mg. However, this can vary. The actual amount can be …

An 8-ounce cup of regular brewed tea usually has about 20–60 mg of caffeine, depending on tea type, leaf amount, and steeping time.